This silicone sealant is specially used for plane sealing in automotive and marine industry, designed of single component, neutral curing with high-performance. The product can replace kinds of rubber pad, cork pad cardboard pad, and seal the flange joint surfaces of automobile, motorcycle and kinds of mechanical equipment engine, gear box and ect al. After curing, the elastomer has excellent temperature resistance, oil resistance, corrosion resistance, adhesive performance and shock resistance.